6 results about "Storage heater" patented technology

The invention relates to a system for heating a sauna or steam room, which system includes a first heater (10) for heating the air in the room (8), wherein the first heater (10) is configured with respect to its heating power to heat, by itself, the air in the room (8) to a temperature of 30-120 °C, preferably to a temperature of 50-110 °C, most preferably to a temperature of 70-100 °C, a second heater (20) for producing steam in the air of the room (8), wherein the second heater (20) includes a stone space (14) that is partially open in the room (8), which stone space (14) includes a thermal mass that is configured to be heated to a temperature of 200-700 °C, preferably 300-600 °C, in order to evaporate water dispensed into the stone space (14), or wherein the second heater (20) includes a water space for storing water, which water space is configured to be heated in order to form steam from the water stored in the water space, a temperature sensor (40) for measuring the temperature of the room (8), control means for controlling the power of the first heater (10) and of the second heater (20) as a function of a selected criterion based on measurement data of the temperature sensor (40), the first heater (10) and the second heater (20) are separate heaters that are independent of each other, and the first heater (10) is a storage heater with a storage capacity in relation to the volume of the room (8) of at least 200 Wh / m3, preferably at least 500 Wh / m3, most preferably at least 800 Wh / m3, and a heat output of at least 200 Wh / m3, preferably at least 400Wh / m3. The invention also relates to a corresponding method.

This disclosure applies to the field of thermal power energy storage, providing a scheduling method and system for coupling thermal power and thermal storage. When it is necessary to reduce the power generation of a thermal power unit, the flow rate of process steam drawn from the turbine unit of the thermal power unit is increased; the heated circulating thermal storage medium flows into an underground thermal storage unit, which includes heat exchange pipes buried in the soil. The circulating thermal storage medium is drawn from the underground thermal storage unit and transported to a heat exchanger, allowing the circulating thermal storage medium to exchange heat with the heat supply medium to heat the heat supply medium. By introducing an underground thermal storage unit coupled with buried pipes and a closed-loop system, this invention transfers the waste heat from the process steam of the turbine unit to the circulating thermal storage medium through a thermal storage heater, and then allows it to enter the underground thermal storage unit to exchange heat with the soil. Excess heat energy is stored in the underground soil over time periods, so that the regulation of power generation and the process of external heat supply are no longer intertwined.

This invention discloses a carbon dioxide solar thermal power generation system and method equipped with phase change thermal storage, including a concentrating solar collector system, a thermal storage and heat exchange system, a CO2 power generation system, and a photovoltaic power generation system. The concentrating solar collector system includes a collector; the thermal storage and heat exchange system includes a phase change thermal storage heater, a molten salt-CO2 heat exchanger, and a molten salt heat transfer tank. The phase change thermal storage heater is connected to the molten salt heat transfer tank via the molten salt-CO2 heat exchanger. The outlet of the molten salt heat transfer tank is divided into two paths: one connected to the phase change thermal storage heater, and the other connected to the collector. The collector is also connected to the phase change thermal storage heater. The CO2 power generation system is connected to the molten salt-CO2 heat exchanger, and the photovoltaic power generation system is connected to the phase change thermal storage heater. This invention uses phase change energy storage as the energy storage system for the CO2 solar thermal power generation system, which can significantly reduce the amount of thermal storage medium used. Phase change energy storage can be achieved using an electric heater, eliminating the need for stepped phase change energy storage.

The invention discloses a heating safety temperature control method based on a living body detection model and a heat storage heater, and relates to the technical field of safety control. The method comprises the following steps: emitting detection ultrasonic waves with fixed frequency, waveform and phase to a detection area pulse; continuously receiving reflected ultrasonic waves; constructing a living body detection model for performing time slicing on the received reflected ultrasonic waves and dividing the reflected ultrasonic waves into a plurality of reflected ultrasonic wave fragments; frequency demodulation is carried out on each reflected ultrasonic wave segment, and whether demodulated waveforms conforming to the respiratory frequency range and the heartbeat frequency range can be extracted or not is judged; and if yes, continuously obtaining the distance between the heater and the living organism according to the time distribution of the plurality of reflected ultrasonic segments corresponding to the demodulated waveforms conforming to the respiratory frequency range and the heartbeat frequency range, and obtaining the current safe hot air speed of the heater according to a set temperature control rule. Living organisms are prevented from being hurt by high-speed hot air.

The invention relates to a heating system and a heating control method. The heating system comprises a heat storage heater, an instant heater, a valve group, a first temperature detector, a second temperature detector and a controller. The first port of the heat storage heater is communicated with the inlet end of the instant heater through a first pipeline. The liquid inlet control valve is selectively arranged on the liquid injection pipe in a conduction mode. And the instant heater is communicated with the outlet control valve through a second pipeline. The second port is communicated with the second pipeline through a third pipeline. The first temperature detector is communicated with the first pipeline to obtain the first fluid temperature. The second temperature detector is communicated with the liquid injection pipe to obtain the actual liquid inlet temperature. The controller is used for controlling on-off of the valve set, the input flow speed of the liquid injection pipe and the heating power of the instant heater according to the first fluid temperature, the actual liquid inlet temperature and the drink making parameters. The heating system in the embodiment is beneficial to improving the heating precision, so that the beverage making effect is improved.

The application provides a heat exchange type electric water heater and a water temperature control method of the heat exchange type electric water heater. The heat exchange type electric water heater comprises a heat exchange box, a heat exchanger, a heat storage heater, an instant heater, a reversing valve and a water mixing valve. The heat exchange box is an open box. The heat exchange type electric water heater is provided with a first water inlet and a first water outlet, and the heat exchanger is provided with a second water inlet and a second water outlet. The heat storage heater is arranged in the heat exchange box. The heat exchanger is located in the heat exchange box. The instant heater is arranged between the reversing valve and the second water inlet. The reversing valve is connected to the first water inlet, the instant heater and the water mixing valve. The water mixing valve is connected to the reversing valve, the first water outlet and the second water outlet. The heat exchange type electric water heater can improve the stability of the water outlet temperature of the heat exchange type electric water heater.